13628546 has 4 divisors (see below), whose sum is σ = 20442822. Its totient is φ = 6814272.

The previous prime is 13628539. The next prime is 13628551. The reversal of 13628546 is 64582631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64582631 = 977 ⋅66103.

It can be written as a sum of positive squares in only one way, i.e., 13402921 + 225625 = 3661^2 + 475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407135 + ... + 3407138.

Almost surely, 2^13628546 is an apocalyptic number.

13628546 is a deficient number, since it is larger than the sum of its proper divisors (6814276).

13628546 is an equidigital number, since it uses as much as digits as its factorization.

13628546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814275.

The product of its digits is 34560, while the sum is 35.

The square root of 13628546 is about 3691.6860646593. The cubic root of 13628546 is about 238.8635274160.

It can be divided in two parts, 136 and 28546, that added together give a palindrome (28682).

The spelling of 13628546 in words is "thirteen million, six hundred twenty-eight thousand, five hundred forty-six".